Commit 4bf207d7 authored by Jason Gunthorpe's avatar Jason Gunthorpe
Browse files

net/mlx5: Add IFC bits for mkey ATS 

Allows telling a mkey to use PCI ATS for DMA that flows through it.

Link: https://lore.kernel.org/r/1-v1-bd147097458e+ede-umem_dmabuf_jgg@nvidia.com


Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent fda5d0cf

include/linux/mlx5/mlx5_ifc.h

+8 −3
Original line number Diff line number Diff line
@@ -1707,7 +1707,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { 
	u8         steering_format_version[0x4];

	u8         create_qp_start_hint[0x18];



	u8         reserved_at_460[0x3];

	u8         reserved_at_460[0x1];

	u8         ats[0x1];

	u8         reserved_at_462[0x1];

	u8         log_max_uctx[0x5];

	u8         reserved_at_468[0x2];

	u8         ipsec_offload[0x1];
@@ -3873,7 +3875,9 @@ struct mlx5_ifc_mkc_bits { 
	u8         lw[0x1];

	u8         lr[0x1];

	u8         access_mode_1_0[0x2];

	u8         reserved_at_18[0x8];

	u8         reserved_at_18[0x2];

	u8         ma_translation_mode[0x2];

	u8         reserved_at_1c[0x4];



	u8         qpn[0x18];

	u8         mkey_7_0[0x8];
@@ -11134,7 +11138,8 @@ struct mlx5_ifc_dealloc_memic_out_bits { 
struct mlx5_ifc_umem_bits {

	u8         reserved_at_0[0x80];



	u8         reserved_at_80[0x1b];

	u8         ats[0x1];

	u8         reserved_at_81[0x1a];

	u8         log_page_size[0x5];



	u8         page_offset[0x20];